diff options
Diffstat (limited to 'mysys/my_rdtsc.c')
| -rw-r--r-- | mysys/my_rdtsc.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/mysys/my_rdtsc.c b/mysys/my_rdtsc.c index 514fd4c74ea..40b78986985 100644 --- a/mysys/my_rdtsc.c +++ b/mysys/my_rdtsc.c @@ -75,7 +75,7 @@ #endif #endif -#if !defined(CLOCK_GETTIME) && defined(HAVE_SYS_TIMEB_H) && defined(HAVE_FTIME) +#if defined(HAVE_SYS_TIMEB_H) && defined(HAVE_FTIME) #include <sys/timeb.h> /* for ftime */ #endif @@ -173,17 +173,27 @@ ulonglong my_timer_microseconds(void) milliseconds. */ +#if defined(HAVE_CLOCK_GETTIME) +#if defined(CLOCK_MONOTONIC_FAST) +/* FreeBSD */ +#define MY_CLOCK_ID CLOCK_MONOTONIC_FAST +#elif defined(CLOCK_MONOTONIC_COARSE) +/* Linux */ +#define MY_CLOCK_ID CLOCK_MONOTONIC_COARSE +#elif defined(CLOCK_MONOTONIC) +/* POSIX (includes OSX) */ +#define MY_CLOCK_ID CLOCK_MONOTONIC +#elif defined(CLOCK_REALTIME) +/* Solaris (which doesn't seem to have MONOTONIC) */ +#define MY_CLOCK_ID CLOCK_REALTIME +#endif +#endif + ulonglong my_timer_milliseconds(void) { -#if defined(HAVE_CLOCK_GETTIME) +#if defined(MY_CLOCK_ID) struct timespec tp; -#ifdef CLOCK_MONOTONIC_COARSE - /* Linux */ - clock_gettime(CLOCK_MONOTONIC_COARSE, &tp); -#else - /* POSIX */ - clock_gettime(CLOCK_MONOTONIC, &tp); -#endif + clock_gettime(MY_CLOCK_ID, &tp); return (ulonglong)tp.tv_sec * 1000 + (ulonglong)tp.tv_nsec / 1000000; #elif defined(HAVE_SYS_TIMEB_H) && defined(HAVE_FTIME) /* ftime() is obsolete but maybe the platform is old */ @@ -436,7 +446,9 @@ void my_timer_init(MY_TIMER_INFO *mti) /* milliseconds */ mti->milliseconds.frequency= 1000; /* initial assumption */ -#if defined(HAVE_SYS_TIMEB_H) && defined(HAVE_FTIME) +#ifdef MY_CLOCK_ID + mti->milliseconds.routine= MY_TIMER_ROUTINE_CLOCK_GETTIME; +#elif defined(HAVE_SYS_TIMEB_H) && defined(HAVE_FTIME) mti->milliseconds.routine= MY_TIMER_ROUTINE_FTIME; #elif defined(_WIN32) mti->milliseconds.routine= MY_TIMER_ROUTINE_GETSYSTEMTIMEASFILETIME; |